Home / 4,784.22-7,177.32-1,664.37

Finding the Fourth Proportional to 4,784.22, 7,177.32 and 1,664.37

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Solution

The fourth proportional to 4,784.22, 7,177.32 and 1,664.37 is: 2,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.22 : 7,177.32 = 1,664.37 : x
  2. Step 2: Convert to fraction form
    4,784.22/7,177.32 = 1,664.37/x
  3. Step 3: Cross multiply
    4,784.22x = 7,177.32 × 1,664.37
  4. Step 4: Simplify right side
    4,784.22x = 11,945,716.09
  5. Step 5: Solve for x
    x = 11,945,716.09/4,784.22
  6. Step 6: Final answer
    x = 2,496.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.